OFFSET
1,2
COMMENTS
EXAMPLE
The binary indices of 89 = prime(24) are {1,4,5,7}, with sum 17, which is prime, so 24 is in the sequence.
MATHEMATICA
Select[Range[100], PrimeQ[Total[First /@ Position[Reverse[IntegerDigits[Prime[#], 2]], 1]]]&]
CROSSREFS
KEYWORD
nonn
AUTHOR
Gus Wiseman, May 19 2024
STATUS
approved